Historic Bridges in Maine

630 bridges built before 1951 in Maine still in service today.

Bridges Built Before 1951

The United States has 630 bridges in Maine built before 1951 that remain in active service. These structures are 75+ years old — many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.

Clear
Bridge State Condition Year Built Age (Years) ADT
EVANS BROOK Maine Good 1938 88 258
EVANS BROOK Maine Fair 1938 88 191
OTTER COVE CREEK Maine Good 1938 88 1,214
BEAVER BROOK Maine Fair 1939 87 1,527
BREAKNECK BROOK Maine Poor 1939 87 50
SO BR MARSH RIVER Maine Fair 1939 87 263
PISCATAQUA RIVER Maine Fair 1939 87 7,550
DUG HILL BROOK Maine Fair 1939 87 4,732
SALMON STREAM Maine Poor 1939 87 882
TOWNSEND GUT/ATLANTIC O Maine Fair 1939 87 3,430
JOCK STR Maine Fair 1939 87 2,215
BEAR RIVER Maine Fair 1939 87 765
C P RAILROAD Maine Fair 1939 87 4,787
EGGEMOGGIN REACH Maine Fair 1939 87 4,800
FERGUSON STREAM Maine Poor 1939 87 250
WHITNEY BROOK Maine Poor 1939 87 1,777
PISCATAQUIS RIVER Maine Fair 1939 87 154
MACHIAS RIVER (N CHAN) Maine Poor 1939 87 800
MILL BROOK Maine Fair 1939 87 356
STONEY BROOK Maine Fair 1939 87 2,167
ST. GEORGE RIVER Maine Poor 1939 87 604
PTRR Maine Fair 1939 87 50
CARLISLE BROOK Maine Poor 1939 87 400
SAINT GEORGE RIVER Maine Poor 1939 87 846
SEDGEUNKEDUNK STREAM Maine Fair 1939 87 1,711
MCRR SPRINGFIELD TERM. Maine Fair 1939 87 1,717
BARKER STREAM Maine Poor 1939 87 309
SEVEN MILE BROOK Maine Fair 1939 87 5,527
QUAKER BROOK Maine Fair 1939 87 1,180
E BR PENOBSCOT RIVER Maine Fair 1939 87 144
ABANDONED WILDWOOD ENTRA Maine Fair 1939 87 1,214
MUDDY BROOK Maine Poor 1940 86 77
HANCOCK BK Maine Fair 1940 86 10
TUNK STREAM Maine Poor 1940 86 14
LITTLE RIVER Maine Poor 1940 86 60
MIDDLE BR MOUSAM RIVR Maine Fair 1940 86 352
PRESTILE STREAM Maine Fair 1940 86 1,680
PUSHAW STREAM Maine Fair 1940 86 2,224
STURGEON CREEK Maine Fair 1940 86 1,690
PISCATAQUIS RIVER Maine Poor 1940 86 277
KENDUSKEAG STREAM Maine Fair 1940 86 1,322
BEAVER BROOK Maine Fair 1940 86 4,884
RING HILL BK (POTTERS BK Maine Fair 1940 86 969
ROGERS BROOK Maine Fair 1940 86 93
STONEY BROOK Maine Fair 1940 86 2,055
OCEANVILLE THOROUGHFARE Maine Poor 1940 86 1,047
KINCAID BROOK Maine Poor 1940 86 1,127
MILE BROOK Maine Fair 1940 86 4,239
W BR PLEASANT RIVER Maine Poor 1940 86 673
E.BR.NEZINSCOTT Maine Fair 1940 86 2,276

About Historic Bridge Data

Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.